Storage bobbin clamp for a sewing machine



FIG. 1 is a first perspective view of a storage bobbin clamp for a sewing machine showing the claimed new design;

FIG. 2 is a top plan view thereof

FIG. 3 is rear view thereof; and,

FIG. 4 is a front view thereof. 

CLAIM The ornamental design for a storage bobbin clamp for a sewing machine, as shown and described. 